120 GC

The Cat® 120 GC motor grader is easy to own and operate. A demand fan and standard Eco mode reduces fuel consumption while open access to maintenance points makes service quick and simple. Control the blade with consistent precision using lever controls from the comfort of the all new cab.

  • Net Power - ISO 9249/SAE J1349 171 hp

  • Operating Weight - Typically Equipped 31958 lb

  • Blade Width 12 ft

  • Maximum Torque 544 lb/ft

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Product Specifications

Specifications

Engine

  • Bore 4.1in

  • Derating Altitude 9842ft

  • Displacement 268.5in³

  • Emissions Meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 5 emission standards

  • Engine Model Cat® C4.4

  • Engine Power AWD (ISO 14396) 128kW

  • Maximum Torque 544lb/ft

  • Net Power - ISO 9249/SAE J1349 171hp

  • Note (1) Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269 standards in effect at the time of manufacture. Net power advertised is the power available at rated speed of 2,000 rpm, measured at the flywheel when engine is equipped with fan, air cleaner,

  • Stroke 5in

  • Torque Rise - ISO 9294 21%

Weights

  • Operating Weight - Typically Equipped 31958lb

Moldboard

  • Arc Radius 16.3in

  • Blade Height 20in

  • Blade Width 12ft

  • Cutting Edge Width 6in

  • End Bit - Width 152in

  • Throat Clearance 4.7in

Service Refill Capacities

  • Circle Drive with Slip Clutch 1.8gal (US)

  • Circle Drive without Slip Clutch 0.4gal (US)

  • Cooling System 10.3gal (US)

  • Diesel Exhaust Fluid Tank (Tier 4 Only) 3.2gal (US)

  • Engine Crankcase 2gal (US)

  • Fuel Tank 71gal (US)

  • Hydraulic System 14.5gal (US)

  • Transmission 4.5gal (US)

Machine Weight

  • All-Wheel Drive (AWD) Weight 36376lb

Dimensions

  • Length of Machine* 391.4in

  • Maximum Height 149.1in

  • Note *Typically equipped with push block and ripper.

  • Width 94.6in

Blade Range

  • Blade Tip Range - Backward

  • Blade Tip Range - Forward 40°

  • Circle Centershift - Left 25.8in

  • Circle Centershift - Right 25.8in

  • Maximum Depth of Cut 30.5in

  • Maximum Lift Above Ground 16.1in

  • Moldboard Sideshift - Left 20.2in

  • Moldboard Sideshift - Right 26.1in

Air Conditioning System

  • Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas.

Sustainability

  • Recyclability 92%

Features

Equipment

Standard Equipment

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

  • Standard Seat

  • Steering Wheel/Lever Controls

  • Information Display Screen

  • Product Link

  • Cat C4.4

  • ECO mode

  • On-Demand fan

  • Standard

  • Parking brake

  • Signaling/warning horn

  • Rearview mirror

  • Hydraulic brakes

  • Side view mirrors

  • Walkways and Grab Rails

Optional Equipment

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

  • Mechanical Suspension Seat

  • Air Suspension Seat

  • ROPS/FOPS

  • Heating/Cooling Cab System

  • Rear Wiper

  • Base Cab

  • Canopy

  • Cab Plus

  • Low profile cab

  • Halogen Lighting

  • Entertainment Radio Ready

  • Rear Window Screen

  • Front Wipers

  • Digital Blade Slope Meter

  • Reversing fan

  • All-Wheel Drive (AWD)

  • Circle Drive Slip Clutch

  • Circle Saver

  • Rearview camera

  • Secondary steering system

  • Push block

  • Ripper

  • Scarifier

  • Front Blade

  • Tow hitch